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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Specific Carbohydrate Diet Clear all
Not listed Phase 3 Interventional Accepts healthy volunteers

Dissemination of a Tailored Tobacco Quitline for Rural Veteran Smokers

NCT01892813
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Use
Interventions
Nicotine replacement therapy - Transdermal nicotine patch, Nicotine replacement therapy - Nicotine gum, Nicotine replacement therapy - Nicotine lozenge, Bupropion, Varenicline, Combination pharmacotherapy - Transdermal nicotine patch + nicotine gum, Combination pharmacotherapy - Transdermal nicotine patch + nicotine lozenge, Combination pharmacotherapy - Transdermal nicotine patch + bupropion, Tobacco quitline referral, Tailored behavioral intervention, Alcohol use risk reduction, Behavioral activation for depressive symptoms, Behavioral management of postcessation weight gain
Drug · Behavioral
Lead sponsor
Mark Vander Weg
Other
Eligibility
18 Years to 99 Years
Enrollment
411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Phase 3 Interventional Results available

LiveSMART Trial to Prevent Falls in Patients With Cirrhosis

NCT05794555
View directory record Official record
Conditions
Cirrhosis, Liver, Portal Hypertension
Interventions
Enhanced Usual Care, Lactulose, Investigator recommended exercise, TeleTai-Chi (virtual)
Behavioral · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
3
States / cities
Ann Arbor, Michigan • Philadelphia, Pennsylvania • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 26, 2026, 2:48 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Nutrition for Precision Health, Powered by the All of Us

NCT05701657
View directory record Official record
Conditions
Nutrition, Health, Dietary Habits
Interventions
Diet A, Diet B, Diet C
Other
Lead sponsor
RTI International
Other
Eligibility
18 Years and older
Enrollment
8,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
14
States / cities
Birmingham, Alabama • Davis, California • Los Angeles, California + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Sep 26, 2026, 2:48 AM EDT
Not listed Not applicable Interventional

Blood Glucose Stability and Variability on Two Diets

NCT01443143
View directory record Official record
Conditions
Type 2 Diabetes, Obesity
Interventions
Portion-controlled diet, Usual Diet
Other · Dietary Supplement
Lead sponsor
Nutrisystem, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 28, 2011 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Short-Term Effect of a Technology Driven Weight Control (SMART) Program for Obese Adults

NCT00624598
View directory record Official record
Conditions
Obesity, Hypertension
Interventions
SMART
Behavioral
Lead sponsor
Colorado Center for Chronic Care Innovations, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
2
States / cities
Westminster, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 16, 2008 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Tailored Tobacco Quitline for Rural Veterans

NCT01592695
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Nicotine replacement therapy - transdermal nicotine patch, Tailored behavioral intervention, Tobacco quit line referral, Nicotine replacement therapy - nicotine gum, Nicotine replacement therapy - nicotine lozenge, Bupropion Sustained Release, Varenicline, Combination pharmacotherapy - transdermal nicotine patch + nicotine gum, Combination pharmacotherapy - transdermal nicotine patch + nicotine lozenge, Combination pharmacotherapy - transdermal nicotine patch + bupropion, Alcohol use risk reduction, Behavioral activation for the treatment of depression, Behavioral management of post-cessation weight gain
Drug · Behavioral
Lead sponsor
Iowa City Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 1, 2019 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Not applicable Interventional

Personalized Research on Diet in Ulcerative Colitis and Crohn's Disease

NCT03301311
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Crohn Disease, Ulcerative Colitis, Indeterminate Colitis
Interventions
Specific Carbohydrate Diet (SCD), Modified Specific Carbohydrate Diet (MSCD)
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
7 Years to 18 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • Oakland, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Sep 26, 2026, 2:48 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Treating Smokeless Tobacco Use in Rural Veterans

NCT02994082
View directory record Official record
Conditions
Smokeless Tobacco, Nicotine Dependence
Interventions
Tailored behavioral intervention, Behavioral activation for elevated depressive symptoms, Post-cessation weight gain management, Alcohol use risk reduction, Nicotine replacement therapy - transdermal nicotine patch, Nicotine replacement therapy - nicotine lozenge, Nicotine replacement therapy - nicotine gum, Bupropion sustained release, Varenicline, Combination nicotine replacement therapy, Combination nicotine replacement therapy + bupropion, Tobacco quit line, Educational materials
Behavioral · Drug
Lead sponsor
Mark Vander Weg
Federal
Eligibility
18 Years to 99 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Not applicable Interventional

Wahls Paleo Diet and Progressive Multiple Sclerosis

NCT01915433
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Wahls Paleo Plus, Wahls Diet
Other
Lead sponsor
Terry L. Wahls
Other
Eligibility
30 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 25, 2018 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of a Personalized vs. Standard Approach to Weight Loss Recommendations

NCT04639076
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Behavioral Weight Loss Program, Personalized Behavioral Weight Loss Program
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
20 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2021 · Synced Sep 26, 2026, 2:48 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Diet and Sleep in Vascular Health: A Pilot Study

NCT04990973
View directory record Official record
Conditions
Sleep
Interventions
Average American Diet (AAD), Mediterranean Diet
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Not applicable Interventional Results available

Trial of Specific Carbohydrate and Mediterranean Diets to Induce Remission of Crohn's Disease

NCT03058679
View directory record Official record
Conditions
Crohn Disease
Interventions
Diet
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
35
States / cities
Tucson, Arizona • San Francisco, California • Denver, Colorado + 27 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Sep 26, 2026, 2:48 AM EDT
Not listed Not applicable Interventional

SCD vs. Mediterranean Diet Therapy in Ulcerative Colitis

NCT04398550
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Specific Carbohydrate Diet, Mediterranean Diet
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 30, 2022 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Not applicable Interventional

The Feasibility of a Diet and Exercise Intervention in Diabetics During Treatment for Non-muscle Invasive Bladder Cancer

NCT02716623
View directory record Official record
Conditions
Bladder Cancer, Diabetes Mellitus
Interventions
CR diet, Exercise
Other · Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 14, 2019 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

DASH INtervention to INvestigate the Gut

NCT04538482
View directory record Official record
Conditions
Microbiota, Cancer
Interventions
DASH Diet, standard American diet
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
19 Years to 65 Years
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 26, 2026, 2:48 AM EDT
Recruiting Phase 2 Interventional

Food-Specific and Component IgE Threshold Levels That Predict Food Allergy in People With Elevated Total Serum IgE Levels and Atopic Dermatitis

NCT03835767
View directory record Official record
Conditions
Milk and/or Peanut Allergy
Interventions
Peanut powder and Oat flour, Peanut flour and Oat flour (placebo for peanut flour), Dry Milk Powder and Corn Starch (placebo for Milk powder), Baked milk and Rice milk (placebo for Baked milk)
Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years to 21 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 26, 2026, 2:48 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Breaking up Prolonged Sedentary Behavior to Improve Cardiometabolic Health

NCT05353322
View directory record Official record
Conditions
Sedentary Behavior, Cardiometabolic Risk Factors, Blood Pressure, Glucose
Interventions
Sedentary Break (Walking) Condition, Sitting (Control) Condition, Controlled Diet
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
324 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Not applicable Interventional

A Pilot Study Examining Diet in Primary Sclerosing Cholangitis

NCT04678219
View directory record Official record
Conditions
Primary Sclerosing Cholangitis
Interventions
Dietary Intervention
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Phase 4 Interventional

Empiric Versus Selective Prevention Strategies for Kidney Stone Disease

NCT05365477
View directory record Official record
Conditions
Kidney Stones, Nephrolithiasis
Interventions
Empiric Therapy: Diet, Empiric Therapy: Drug, Selective Therapy: Diet, Selective Therapy: Drug
Behavioral · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 26, 2026, 2:48 AM EDT
Not yet recruiting Not applicable Interventional

Di-PKD: A Pilot Trial of Dietary Intervention in Patients With Autosomal Dominant Polycystic Kidney Disease

NCT06786260
View directory record Official record
Conditions
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Interventions
Interventional Diet
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Not applicable Interventional

Specific Carbohydrate Diet for Clostridium Difficile

NCT03925636
View directory record Official record
Conditions
Clostridium Difficile Infection, Diet Modification
Interventions
Specific Carbohydrate Diet
Dietary Supplement
Lead sponsor
David Suskind
Other
Eligibility
18 Months to 21 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 10, 2022 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Yogurt and GI Health

NCT05931471
View directory record Official record
Conditions
Yogurt Intake, Gastrointestinal Immune Function, Gut Microbiome, Gut Health
Interventions
Yogurt Intervention
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
50 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Ketosis: Fatty Acids Activate AMPK Energy Circuits Modulating Global Methylation

NCT03319173
View directory record Official record
Conditions
Mild Cognitive Impairment, Metabolic Syndrome
Interventions
Dietary intervention
Behavioral
Lead sponsor
Bristlecone Health, Inc.
Industry
Eligibility
35 Years to 80 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Maple Grove, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 11, 2019 · Synced Sep 26, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Fatty Acid Composition and Obesity-related Metabolic Abnormalities

NCT01451970
View directory record Official record
Conditions
Overweight/Obese Women
Interventions
High Fat Diet
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 20, 2022 · Synced Sep 26, 2026, 2:48 AM EDT